122002312 has 16 divisors (see below), whose sum is σ = 228888000. Its totient is φ = 60965520.

The previous prime is 122002301. The next prime is 122002313. The reversal of 122002312 is 213200221.

It is a junction number, because it is equal to n+sod(n) for n = 122002292 and 122002301.

It is not an unprimeable number, because it can be changed into a prime (122002313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15189 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (14305500).

Almost surely, 2^122002312 is an apocalyptic number.

It is an amenable number.

122002312 is a deficient number, since it is larger than the sum of its proper divisors (106885688).

122002312 is a wasteful number, since it uses less digits than its factorization.

122002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916 (or 8912 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 122002312 is about 11045.4656760138. The cubic root of 122002312 is about 495.9706993617.

Adding to 122002312 its reverse (213200221), we get a palindrome (335202533).

The spelling of 122002312 in words is "one hundred twenty-two million, two thousand, three hundred twelve".